CN203631397U - A space limiting device used for a three-position switch operation mechanism - Google Patents
A space limiting device used for a three-position switch operation mechanism Download PDFInfo
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- CN203631397U CN203631397U CN201320893881.5U CN201320893881U CN203631397U CN 203631397 U CN203631397 U CN 203631397U CN 201320893881 U CN201320893881 U CN 201320893881U CN 203631397 U CN203631397 U CN 203631397U
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Abstract
The utility model discloses a space limiting device used for a three-position switch operation mechanism. The space limiting device used for the three-position switch operation mechanism comprises a connecting rod. A running pulley is arranged at one end of the connecting rod, and the other end is hinged to a free end of an output shaft connecting lever. The output shaft connecting lever is arranged on an end portion of an output main shaft in a sleeved mode, and the free end of the output shaft connecting lever is connected with a reset member. A bar shaped aperture is arranged in a first separating plate used for supporting the output main shaft. A length direction of the bar shaped aperture is consistent with an extension direction of the output connecting lever when the output connecting lever is positioned at an isolation position. The running pulley is arranged inside the bar shaped aperture, and can slide along a length direction of the bar shaped aperture. Positions, matched with the two ends of the bar shaped aperture, of the running puller are respectively corresponding to the isolation position and switch-on or grounding positions. A first space limiting portion is arranged inside the bar shaped aperture. According to the utility model, the first space limiting portion restricts the motion of the running puller in the bar shaped aperture, so that the output main shaft can be further limited in the switch-on position or the grounding position. In addition, friction between the running pulley and the bar shaped aperture can be reduced to the greatest extent, so that the usage life can be further prolonged and the output precision can be simultaneously guaranteed.
Description
Technical field
The utility model relates to high-voltage switch gear technical field, particularly relates to a kind of stopping means for three-station operating mechanism.
Background technology
In recent years, along with high voltage switchgear technology is constantly progressive, Cubicle Gas-Insulated Switchgear is to the multifunction of miniaturization, Composite, element, intelligent direction development, isolating switch and earthed switch are combined into three-station isolating/grounding switch, can save electric operation interlocking, realize nature mechanical interlocking, not have various misoperations between isolating switch and earthed switch.As its name suggests, three-station need to switch between connection position, isolated bit, these three stations of ground connection position, and this has just proposed the requirement of safe insulation stable distance in accurate, the spacing reliable and each stateful switchover process of output angle to three-station operating mechanism.
As Chinese patent literature CN200810071652 discloses a kind of simple and reliable three position mechanism output device, it comprises: a pedestal, a combined floodgate axle output toggle arm, a grounding shaft output toggle arm, a driver plate and an output shaft, be installed with respectively a finger on this combined floodgate axle output toggle arm and grounding shaft output toggle arm.This driver plate is provided with work nest, and this work nest comprises a medial launder and be symmetricly set on two gathering sills of left and right of medial launder, and this medial launder and gathering sill connection and connectivity part are formed with limiting section; This finger rotates and gathering sill slip relatively, acts on gathering sill simultaneously and drives driver plate to rotate, and this driver plate rotates and relative another finger slides along medial launder; Wherein, this two finger has following positioning states; Lay respectively at two limiting sections, or a finger is positioned at gathering sill end, another finger is positioned at the limiting section that approaches this gathering sill.Though the structure of this three position mechanism output device and operation are simple, be mainly that the limiting section with limit function by arranging on driver plate is realized to operation axis spacing, also when finger, in the time that work nest slides in limiting section, to export main shaft limited; In this technical scheme, for finger can be moved smoothly in work nest, the width of its limiting section need be greater than the diameter of finger, also be that finger has certain free activity space in limiting section, this certainly will directly cause spacing accurate not to finger of limiting section, and then can not accurately control the rotational angle of output main shaft; Particularly limiting section is after long-time use, because wearing and tearing are larger, the width of limiting section can increase, while causing finger to move, there is larger activity space in limiting section, this has just further increased this spacing error angle, need on the three-station of quick acting or heavy load especially for some, its limit effect is more undesirable.
Utility model content
For this reason, the primary technical problem solving of the utility model is the spacing inaccuracy of existing three position mechanism stopping means, output main shaft turns to ground connection position, connection position or isolated bit and still can rotate to an angle, and then affects specified short time withstand current ability and the safe insulation distance of switch.
The purpose of this utility model is to provide a kind of three station stopping means of simple in structure, good limit effect for this reason.
For achieving the above object, the utility model is by the following technical solutions:
For a stopping means for three-station operating mechanism, it comprises connecting rod, and one end of described connecting rod is provided with roller; The other end is hinged on the free end of output shaft connecting lever, and described output shaft connecting lever fixed cover is located at the end of output main shaft, and the free end of described output shaft connecting lever is also connected with and drives it to be reset to the return unit of isolated location; Bar hole, described bar hole is arranged on the first dividing plate for supporting described output main shaft, and the bearing of trend when length direction of described bar hole is positioned at initial position with described output toggle arm is consistent; Described roller is arranged in described bar hole, and can slide along the length direction of described bar hole, corresponding isolated bit and connection or the ground connection position respectively, position that described roller coordinates with the two ends of described bar hole; The first limiting section, described the first limiting section is arranged on the lateral location of described bar hole rotationally, and when initial position, its positive stop end stretches into described bar hole inner side; When described output main shaft is rotated to ground connection or on-position by isolated location, described roller slides and promotes described the first limiting section along described bar hole and rotates, described roller is positioned at ground connection or on-position after striding across described the first limiting section, now, described the first limiting section is reset to initial position, and limit described roller and move in described bar hole, and then by spacing described output main shaft at ground connection or on-position; Rotate described the first limiting section and remove after the locking of described roller, under the effect of described return unit, described roller slip is to isolated location.
Further, in described bar hole, be also provided with by limiting described roller motion, and then prevent that described output main shaft is reset to the second limiting section of the backward described ground connection in described isolated location or the bounce-back of described on-position.
Further, described the first limiting section comprises the first limit shaft, and described the first limit shaft is rotatably connected on the second partition arranging with described the first dividing plate parallel interval, and extends to the described bar hole place of described the first dividing plate inner side; On described the first limit shaft, be arranged with the torsion spring and the limiting section that drive described the first limit shaft one-directional rotation; On described second partition, be fixedly installed the spacer pin that limits described the first limit shaft continuation rotation by the described limiting section of conflicting; The positive stop end that extends to described the first dividing plate of described the first limit shaft is semi-axis structure; Under initial condition, between half axial plane of described semi-axis structure and the first side of described bar hole, there is certain angle, and described semi-axis structure tilts in described bar hole; Described roller is during from isolated location to the motion of ground connection or on-position, by pushing described half axial plane, overcome the torsion of described torsion spring, drive described the first limit shaft rotation substantially parallel with described first side to described half axial plane, described roller is crossed after described the first limit shaft, the lower end that torsion spring on described the first limit shaft drives described the first limit shaft to be reset to described semi-axis structure tilts in described bar hole, moves under the effect of described back-moving spring to limit described roller to isolated location.
Further, described the second limiting section comprises the second limit shaft, and described the second limit shaft is rotatably connected on described second partition, and extends to the described bar hole place of described the first dividing plate inner side, and is positioned at the second side side of described bar hole; On described the second limit shaft, be arranged with the torsion spring that drives described the second limit shaft one-directional rotation, the positive stop end that extends to described bar hole of described the second limit shaft is semi-axis structure; Between described the second limit shaft and described the first limit shaft, link gear is set, described link gear is suitable in the time that described the first limit shaft is removed described roller spacing, drive described the second limit shaft to turn between half axial plane of described semi-axis structure and described second side and there is certain angle, and described semi-axis structure tilts in described bar hole; When described roller moves to isolated location from ground connection or on-position, by pushing described half axial plane of described the second limit shaft, overcome the torsion of described torsion spring, drive described the second limit shaft rotation substantially parallel with described first side to described half axial plane, described roller is crossed after described the second limit shaft, torsion spring on described the second limit shaft drives the second limit shaft to be reset to described semi-axis structure and tilts in described bar hole, to limit described roller to ground connection or on-position motion.
Further, described link gear comprises the STATEMENT OF FEDERALLY SPONSORED being fixedly installed on described the second limit shaft, and is fixedly installed on the strutting piece on described the first limit shaft; Described STATEMENT OF FEDERALLY SPONSORED forms the kink extending to described the first limit shaft, and the torsion spring being set on described the second limit shaft drives described kink to keep and described strutting piece close contact; When described the first limit shaft of rotation is when removing described roller spacing, the angle increase between half axial plane and the second side of described bar hole of described the second limit shaft; Described the first limit shaft is reset in initial position process, and the angle that described strutting piece orders about by promoting described kink between half axial plane and the second side of described bar hole of described the second limiting section is decreased to initial angle.
Further, described strutting piece is provided with and is convenient to described strutting piece and described limiting section in the axial location division of relative positioning.
Further, described return unit is back-moving spring, and one end of described back-moving spring is connected with the free end of described output shaft connecting lever, and its other end is articulated on described the first dividing plate.
Further, described bar hole is along the vertical direction setting of described the first dividing plate.
The beneficial effects of the utility model:
1. three position mechanism stopping means of the present utility model, comprises the connecting rod being articulated with on output shaft connecting lever, and output shaft connecting lever one end is fixedly connected on output main shaft, and its free end is also connected with and drives it to be reset to the return unit of isolated location; The other end of connecting rod arranges roller, and this roller is arranged in the bar hole on the first dividing plate, and in bar hole, is provided with spacing described roller the first limiting section at ground connection position or on-position.The utility model is by the first motion of limiting section restriction roller in bar hole, and then it is accurately spacing at connection or earthing position to export main shaft; Under the effect of return unit, will export main shaft spacing in isolated bit.In addition, because roller is to move along the length direction of bar hole, and be to roll to coordinate, can at utmost reduce the friction between roller and bar hole, and then extend its useful life, guarantee output accuracy.
2. in bar hole of the present utility model, be also provided with by restriction roller motion, and then prevent exporting main shaft and be reset to the second limiting section of the backward ground connection in isolated location or on-position bounce-back.While being reset to isolated bit due to the output shaft of three-station by ground connection or on-position, all drive by back-moving spring, the back-moving spring of ground connection and on-position is in maximum distortion state, the back-moving spring of isolated location is in minimal deformation state, output main shaft is reset to by ground connection or on-position in the process of isolated location, back-moving spring can first reset and release energy, due to effect of inertia, output shaft can continue to connecting or the rotation of ground connection direction, this has just caused the rotational angle of output shaft excessive, and then affect switch to connecting the safe insulation distance of side or ground connection side electric conductor, finally show as after roller finally reaches isolated location and can rebound fast by driving member, move downward.And by the second limit shaft is set in bar hole, can effectively suppress moving downward of later stage roller, and then improve supporting switch in ground connection position or connect position and export the output accuracy of main shaft and the insulating reliability of switch in switching back isolated bit process.
3. the first limit shaft of the present utility model and the second limit shaft link by link gear, in the time that roller moves downward to ground connection or on-position by isolated location, it can promote successively the direction that the first limit shaft and the second spacing semiaxis reduce towards the angle of this part of side of half axial plane and bar hole and rotate; And in the time that roller is switched to isolated location by earthing position or on-position, need to move upward along bar hole, now must first the first limit shaft rotation extremely be approached to zero degree with the angle of first side time, this roller could be by from earthing position or on-position release, and then continue to move upward, and in rotation the first limit shaft, the second limit shaft, under the effect of self torsion spring, can further turn clockwise to increase half axial plane of the second spacing semiaxis and the angle of second side.After this angle increases, the second limit shaft can limit roller and rebound downwards from the top of bar hole, and then plays spacing output main shaft in isolated location.Position-limit mechanism of the present utility model is pure mechanical structure, and takes full advantage of semi-axis structure roller difference to its effect trend in the time of different rotary angle, and then reaches good limit effect, and whole position limiting structure is simple, installation, easy to operate, and spacing accurate.
Accompanying drawing explanation
For the content that makes utility model is more likely to be clearly understood, according to specific embodiment of the utility model also by reference to the accompanying drawings, the utility model is described in further detail, wherein below
Fig. 1 is the overall structure schematic diagram that stopping means three station operating mechanisms of the present utility model are installed;
Fig. 2 is the end view that stopping means three station operating mechanisms of the present utility model are installed;
Fig. 3 is that the B-B of Fig. 2 is to structural representation;
Overall structure schematic diagram when Fig. 4 is the first limit shaft of the present utility model, the second limit shaft cooperation;
A when Fig. 5 is the first limit shaft of the present utility model, the second limit shaft cooperation is to structural representation;
Fig. 6 is the structural representation of the first limit shaft of the present utility model.
Fig. 7 is that the A of stopping means of the present utility model in the time of isolated location is to view;
Fig. 8 is that the A of operating mechanism of the present utility model in the time of earthing position is to view;
Fig. 9 is that the A of operating mechanism of the present utility model in the time of on-position is to view;
Figure 10 is that the C-C of stopping means of the present utility model while being positioned at isolated location is to cutaway view;
Figure 11 is that the C-C of stopping means of the present utility model while being positioned at ground connection or on-position is to cutaway view;
In figure, Reference numeral is expressed as:
11-the first dividing plate; 110-bar hole; 111-first side, 112 second sides; 12-second partition; 4-ground connection main shaft; 5-connects main shaft; 6-exports main shaft; 61-output shaft connecting lever; 62-back-moving spring; 63-roller; 64-turns portion; 65-connecting rod; 7-the first limit shaft; 71,83-torsion spring; 72-limiting section; 73-spacer pin; 74,82-, half axial plane; 75-strutting piece; 750-location division; 8-the second limit shaft; 81-STATEMENT OF FEDERALLY SPONSORED; 84-pin; 810-kink.
Embodiment
Referring to Fig. 1-6, a kind of stopping means for three-station operating mechanism, it comprises connecting rod 65, one end of described connecting rod 65 is provided with roller 63; The other end is hinged on the free end of output shaft connecting lever 61, and described output shaft connecting lever 61 fixed covers are located at the end of output main shaft 6, and the free end of described output shaft connecting lever 61 is also connected with and drives it to be reset to the return unit of isolated location; On the first dividing plate 11 for supporting described output main shaft 6, be provided with bar hole 110, described bar hole 110 is along the vertical direction setting of described the first dividing plate 11, and the bearing of trend when length direction of described bar hole 110 is positioned at initial position with described output toggle arm 61 is consistent; Described roller 63 is arranged in described bar hole 110, and can slide along the length direction of described bar hole 110, corresponding isolated bit and connection or the ground connection position respectively, position that described roller 63 coordinates with the two ends of described bar hole 110; The first limiting section is arranged on the lateral location of described bar hole 110 rotationally, and when initial position, its positive stop end stretches into described bar hole 110 inner sides; When described output main shaft 6 is rotated to ground connection or on-position by isolated location, described roller 63 slides and promotes described the first limiting section along described bar hole 110 and rotates, described roller 63 is positioned at ground connection or on-position after striding across described the first limiting section, now, described the first limiting section is reset to initial position, and limit described roller 63 in the interior motion of described bar hole 110, and then by spacing described output main shaft 6 at ground connection or on-position; Rotate described the first limiting section and remove after the locking of described roller 63, under the effect of described return unit, described roller 63 slides into isolated location; Described return unit is back-moving spring 63, and one end of described back-moving spring 63 is connected with the free end of described output shaft connecting lever 61, and its other end is articulated on described the first dividing plate 11.
The utility model is by the first motion of limiting section restriction roller in bar hole, and then it is accurately spacing at connection or earthing position to export main shaft; In addition, because roller is to move along the length direction of bar hole, and be to roll to coordinate, can at utmost reduce the friction between roller and bar hole, and then extend its useful life, guarantee output accuracy.
In the present embodiment, in described bar hole 110, be also provided with by limiting described roller 63 and move, and then prevent from continuing the second limiting section to described ground connection or described on-position overshoot after described output main shaft 6 is reset to described isolated location, described bounce-back is that roller 63 parts such as grade move downward at effect of inertia, this limiting section can effectively limit the overshoot campaign of output main shaft 6 while returning to isolated location by on-position or earthing position, and then has guaranteed from ground connection position or connected position to the insulation safety isolated bit handoff procedure.
In the present embodiment, described the first limiting section comprises the first limit shaft 7, and described the first limit shaft 7 is rotatably connected on the second partition 12 arranging with described the first dividing plate 11 parallel interval, and extends to described bar hole 110 places of described the first dividing plate 11 inner sides; On described the first limit shaft 7, be arranged with the torsion spring 71 and the limiting section 72 that drive described the first limit shaft 7 one-directional rotation; On described second partition 12, be fixedly installed the spacer pin 73 that limits described the first limit shaft 7 continuation rotations by the described limiting section 72 of conflicting; The positive stop end that extends to described the first dividing plate 11 of described the first limit shaft 7 is semi-axis structure; Under initial condition, between half axial plane 74 of described semi-axis structure and the first side 111 of described bar hole 110, there is certain angle, and described semi-axis structure tilts in described bar hole 110; Described roller 63 is during from isolated location to the motion of ground connection or on-position, by pushing described half axial plane 74, overcome the torsion of described torsion spring 71, drive described the first limit shaft 7 rotations substantially parallel with described first side 111 to described half axial plane 74, described roller 63 is crossed after described the first limit shaft 7, the lower end that torsion spring 71 on described the first limit shaft 7 drives described the first limit shaft 7 to be reset to described semi-axis structure tilts in described bar hole 110, moves under the effect of described back-moving spring 63 to limit described roller 63 to isolated location.
In the present embodiment, described the second limiting section comprises the second limit shaft 8, described the second limit shaft 8 is rotatably connected on described second partition 12, and extends to described bar hole 110 places of described the first dividing plate 11 inner sides, and is positioned at second side 112 sides of described bar hole 110; On described the second limit shaft 8, be arranged with the torsion spring 83 that drives described the second limit shaft 8 one-directional rotation, one end of described torsion spring 83 is against on described the second limit shaft 8, and its other end is against on pin 84; The positive stop end that extends to described bar hole 110 of described the second limit shaft 8 is semi-axis structure; Between described the second limit shaft 8 and described the first limit shaft 7, link gear is set, described link gear is suitable in the time that described the first limit shaft 7 is removed described roller 63 spacing, drive described the second limit shaft 8 to turn to the angle between half axial plane 82 of described semi-axis structure and described second side 112 with 46 degree left and right, and described semi-axis structure tilt in described bar hole 110; When described roller 63 moves to isolated location from ground connection or on-position, by pushing described half axial plane 82 of described the second limit shaft 8, overcome the torsion of described torsion spring 83, drive described the second limit shaft 8 rotations substantially parallel with described first side 112 to described half axial plane 82, described roller 63 is crossed after described the second limit shaft 8, torsion spring 83 on described the second limit shaft 8 drives the second limit shaft 8 to be reset to described semi-axis structure and tilts in described bar hole 110, to limit described roller 63 to ground connection or on-position motion.
In the present embodiment, described link gear comprises the STATEMENT OF FEDERALLY SPONSORED 81 being fixedly installed on described the second limit shaft 8, and is fixedly installed on the strutting piece 75 on described the first limit shaft 7; Described STATEMENT OF FEDERALLY SPONSORED 81 forms the kink 810 extending to described the first limit shaft 7, and the torsion spring 83 being set on described the second limit shaft 8 drives described kink 810 to keep and described strutting piece 75 close contacts; When described the first limit shaft 7 of rotation is when removing described roller 63 spacing, the angle increase between half axial plane 82 and the second side 112 of described bar hole 110 of described the second limit shaft 8; Described the first limit shaft 7 is reset in initial position process, and the angle that described strutting piece 75 orders about by promoting described kink 810 between half axial plane 82 and the second side 112 of described bar hole 110 of described the second limiting section 8 is decreased to initial angle.
For the ease of adding man-hour, described support bar 75 is carried out to relative positioning in the axial direction with described limiting section 72, described strutting piece 75 is provided with location division 750, when described support bar 75, described limiting section 72 are installed on described the first limit shaft 7, described location division 750 overlaps with the projection in the axial direction of described limiting section 72.
Operation principle of the present utility model:
One, isolated bit switches to and connects low level
Referring to Fig. 7, Figure 10, now stopping means of the present utility model is positioned at isolated location, described roller 63 rests on the upper end of described bar hole 110 under the effect of described back-moving spring 62, and now the angle between half axial plane 74 and the described first side 111 of described the first limit shaft is 48 degree; Angle between described the second limit shaft 8 and described second side 112 is 23 degree.
Ground connection main shaft 4 is rotated in the forward, and by impacting the portion that turns 64 on output main shaft 6, and then drive output main shaft 6 to ground connection direction rotation, and output shaft connecting lever 61 is servo-actuated, and meanwhile, described output shaft connecting lever 61 is by driving roller 63 to move downward along bar hole 110, first described roller 63 touches the semi-axis structure of the second limit shaft 8, referring to Figure 10, and promote the second limit shaft 8 and rotate counterclockwise, in the time that half axial plane 82 of the second limit shaft 8 approaches 0 degree with the angle of described second side 112, described roller 63 is crossed described the second spacing semiaxis 8 and is continued to move downward, then touch half axial plane 74 of described the first limit shaft 7, and promote described the first spacing semiaxis 7 and rotate counterclockwise, in the time that described roller 63 is crossed described the first limit shaft 7 downwards, described output main shaft 6 turns to earthing position, follow described ground connection roller 63 and continue to move downward certain distance, and separate with described the first limit shaft 7, now under the effect of torsion spring 71, to be reset to rapidly half axial plane 74 be 48 degree left and right with the angle of first side 111 to described the first limit shaft 7, then described back-moving spring 62 drives described output main shaft 6 to rotate by output shaft connecting lever 61, and pull described roller 63 to move upward along described bar hole 110 simultaneously, and be positioned at earthing position by described the first spacing semiaxis 7, referring to Fig. 8, Figure 11.
Two, isolated bit is transformed into and connects position
While being transformed into connection position from described isolated bit, it is the same that its operation principle and described isolated bit are converted to ground connection position, just now drives output main shaft 6 to rotate backward by connecting main shaft 5, and described connection main shaft 4 rotates, and described output main shaft 6 is turned to on-position, referring to Fig. 9, Figure 11.
Three, ground connection position or connection position are transformed into isolated bit
Referring to Figure 11, operating grip is inserted to the operating side of the first limit shaft 7 and rotate counterclockwise 48 degree left and right, now the angle between half axial plane and the described first side 111 of described the first limit shaft 7 is 0 degree substantially, when described the first limit shaft 7 rotates counterclockwise, described the second limit shaft 8 clockwise rotates 23 degree left and right under the effect of link gear and torsion spring 83, and the angle between half axial plane 82 and the described second side 112 of described the second limit shaft 8 increases to 46 degree left and right by 23 degree, now described the first limit shaft 7 is removed the position-limiting action to described roller 63, described roller 63 moves upward along described bar hole 110 under the effect of described back-moving spring 62, touch half axial plane 82 of described the second limit shaft 8, and promote described the second spacing semiaxis 8 by described half axial plane 82 of conflicting simultaneously and rotate counterclockwise, in the time described the second spacing semiaxis 8 being pushed to angle between itself and described second side 112 and being 0 degree left and right, described roller 63 can pass through just between described the second spacing semiaxis 8 and described first side 111, and the top of crossing described the second spacing semiaxis 8 and continue to move up to described bar hole 110, the time that roller 63 moves to the top of the second spacing semiaxis to be needed from the below of the first limit shaft 7 is very short, only has several seconds zero point, now operating grip is still inserted in the operating side of described the first spacing semiaxis 7, angle between half axial plane 74 and the described first side 111 of described the first spacing semiaxis 7 is still 0 degree left and right, the angle that described the second semiaxis 8 is reset to rapidly between described half axial plane 82 and described second side under the effect of torsion spring 83 is the position of 46 degree left and right, described roller 63 moves to bounce-back downwards behind the top of described bar hole 110, now because the angle between half axial plane 82 and the described second side 112 of described the second limit shaft 8 is 46 degree left and right, after the bounce-back motion downwards of described roller 63, form the tangent state of circular arc with described the second limit shaft 8, limit described roller 63 and continue to move downward, and then the inertia overshoot of described output main shaft 6 is limited to certain limit, after the inertia interception that described the second limit shaft 8 moves downward described roller 63, under the effect of described back-moving spring 62, described roller 63 is pulled near the also stop in top of described bar hole 110.Then described operating grip is extracted from the operating side of described the first limit shaft 7, described the first limit shaft 7 turns clockwise and resets described under the effect of torsion spring 71 is the position of 48 degree left and right to half axial plane 74 and the angle of described first side 111; Described the first limit shaft 7 is in the process resetting, promote the kink 810 in described STATEMENT OF FEDERALLY SPONSORED 81 by described strutting piece 75, and then make described the second limit shaft 8 rotate counterclockwise 23 degree left and right, and then make the angle between half axial plane 82 and the described second side 112 of described the second limit shaft 8 return to 23 degree by 46 degree, also be reset to initial position, referring to Fig. 7, Figure 10.
Above-mentioned embodiment is just explained in detail the technical solution of the utility model, and the angle of above-mentioned the first limit shaft and the second limit shaft is optimized angle, certainly can also get other angle; This angle is mainly determined according to roller axle center to limit shaft (the first limit shaft or the second limit shaft) line in axle center and the corner dimension of vertical direction.Described semi-axis structure can be the semi-axis structure in axle center, can be also the semi-axis structure in axle center only.Those skilled in the art should be understood that; stopping means of the present utility model can also be used for the three-station of other kind; therefore, the above-mentioned principle of every foundation and the improvement of spirit on the utility model basis, substitute, all should be within protection range of the present utility model.
Claims (8)
1. for a stopping means for three-station operating mechanism, it is characterized in that: comprise
Connecting rod (65), one end of described connecting rod (65) is provided with roller (63), and the other end is hinged on the free end of output shaft connecting lever (61); Described output shaft connecting lever (61) fixed cover is located at the end of output main shaft (6), and the free end of described output shaft connecting lever (61) is also connected with and drives it to be reset to the return unit of isolated location;
Bar hole (110), described bar hole (110) is arranged on the first dividing plate (11) for supporting described output main shaft (6), and the bearing of trend when length direction of described bar hole (110) is positioned at initial position with described output toggle arm (61) is consistent; Described roller (63) is arranged in described bar hole (110), and can slide along the length direction of described bar hole (110), corresponding isolated bit and connection or the ground connection position respectively, position that described roller (63) coordinates with the two ends of described bar hole (110);
The first limiting section, described the first limiting section is arranged on the lateral location of described bar hole (110) rotationally, and when initial position, its positive stop end stretches into described bar hole (110) inner side;
When described output main shaft (6) is rotated to ground connection or on-position by isolated location, described roller (63) slides and promotes described the first limiting section along described bar hole (110) and rotates, described roller (63) is positioned at ground connection or on-position after striding across described the first limiting section, now, described the first limiting section is reset to initial position, and limit described roller (63) and move in described bar hole (110), and then by spacing described output main shaft (6) at ground connection or on-position; Rotate described the first limiting section and remove after the locking of described roller (63), under the effect of described return unit, described roller (63) slides into isolated location.
2. a kind of stopping means for three-station operating mechanism according to claim 1, it is characterized in that: in described bar hole (110), be also provided with by limiting described roller (63) motion, and then prevent that described output main shaft (6) is reset to the second limiting section of the backward described ground connection in described isolated location or the bounce-back of described on-position.
3. a kind of stopping means for three-station operating mechanism according to claim 1 and 2, it is characterized in that: described the first limiting section comprises the first limit shaft (7), it is upper that described the first limit shaft (7) is rotatably connected to the second partition (12) arranging with described the first dividing plate (11) parallel interval, and the described bar hole (110) extending to inside described the first dividing plate (11) is located, on described the first limit shaft (7), be arranged with the torsion spring (71) and the limiting section (72) that drive described the first limit shaft (7) one-directional rotation, on described second partition (12), be fixedly installed the spacer pin (73) that limits described the first limit shaft (7) continuation rotation by the described limiting section (72) of conflicting, the positive stop end that extends to described the first dividing plate (11) of described the first limit shaft (7) is semi-axis structure, under initial condition, between half axial plane (74) of described semi-axis structure and the first side (111) of described bar hole (110), there is certain angle, and described semi-axis structure tilts in described bar hole (110), described roller (63) is during from isolated location to the motion of ground connection or on-position, by pushing described half axial plane (74), overcome the torsion of described torsion spring (71), drive described the first limit shaft (7) rotation substantially parallel with described first side (111) to described half axial plane (74), described roller (63) is crossed after described the first limit shaft (7), the lower end that torsion spring (71) on described the first limit shaft (7) drives described the first limit shaft (7) to be reset to described semi-axis structure tilts in described bar hole (110), move to isolated location under the effect of described back-moving spring (63) to limit described roller (63).
4. a kind of stopping means for three-station operating mechanism according to claim 3, it is characterized in that: described the second limiting section comprises the second limit shaft (8), described the second limit shaft (8) is rotatably connected on described second partition (12), and the described bar hole (110) that extends to described the first dividing plate (11) inner side locates, and be positioned at second side (112) side of described bar hole (110), on described the second limit shaft (8), be arranged with the torsion spring (83) that drives described the second limit shaft (8) one-directional rotation, the positive stop end that extends to described bar hole (110) of described the second limit shaft (8) is semi-axis structure, between described the second limit shaft (8) and described the first limit shaft (7), link gear is set, described link gear is suitable in the time that described the first limit shaft (7) is removed described roller (63) spacing, drive described the second limit shaft (8) to turn between half axial plane (82) of described semi-axis structure and described second side (112) and there is certain angle, and described semi-axis structure tilts in described bar hole (110), when described roller (63) moves to isolated location from ground connection or on-position, by pushing described half axial plane (82) of described the second limit shaft (8), overcome the torsion of described torsion spring (83), drive described the second limit shaft (8) rotation substantially parallel with described first side (112) to described half axial plane (82), described roller (63) is crossed after described the second limit shaft (8), torsion spring (83) on described the second limit shaft (8) drives institute's the second limit shaft (8) to be reset to described semi-axis structure and tilts in described bar hole (110), to limit described roller (63) to ground connection or on-position motion.
5. a kind of stopping means for three-station operating mechanism according to claim 4, it is characterized in that: described link gear comprises the STATEMENT OF FEDERALLY SPONSORED (81) being fixedly installed on described the second limit shaft (8), and be fixedly installed on the strutting piece (75) on described the first limit shaft (7); Described STATEMENT OF FEDERALLY SPONSORED (81) forms the kink (810) extending to described the first limit shaft (7), and the torsion spring (83) being set on described the second limit shaft (8) drives described kink (810) to keep and described strutting piece (75) close contact; When described the first limit shaft of rotation (7) is when removing described roller (63) spacing, the angle increase between half axial plane (82) of described the second limit shaft (8) and the second side (112) of described bar hole (110); Described the first limit shaft (7) is reset in initial position process, and the angle that described strutting piece (75) orders about between half axial plane (82) of described the second limiting section (8) and the second side (112) of described bar hole (110) by the described kink of promotion (810) is decreased to initial angle.
6. a kind of stopping means for three-station operating mechanism according to claim 5, is characterized in that: described strutting piece (75) is provided with to be convenient to described strutting piece (75) and the location division (750) of described limiting section (72) at circumferential relative positioning.
7. a kind of stopping means for three-station operating mechanism according to claim 6, it is characterized in that: described return unit is back-moving spring (63), one end of described back-moving spring (63) is connected with the free end of described output shaft connecting lever (61), and its other end is articulated on described the first dividing plate (11).
8. a kind of stopping means for three-station operating mechanism according to claim 7, is characterized in that: described bar hole (110) is along the vertical direction setting of described the first dividing plate (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320893881.5U CN203631397U (en) | 2013-12-31 | 2013-12-31 | A space limiting device used for a three-position switch operation mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320893881.5U CN203631397U (en) | 2013-12-31 | 2013-12-31 | A space limiting device used for a three-position switch operation mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203631397U true CN203631397U (en) | 2014-06-04 |
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ID=50817849
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320893881.5U Withdrawn - After Issue CN203631397U (en) | 2013-12-31 | 2013-12-31 | A space limiting device used for a three-position switch operation mechanism |
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| Country | Link |
|---|---|
| CN (1) | CN203631397U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103715005A (en) * | 2013-12-31 | 2014-04-09 | 浙江华仪电器科技有限公司 | Limiting device for three-position switch operating mechanism |
| CN104752091A (en) * | 2015-03-27 | 2015-07-01 | 湖北网安科技有限公司 | Double-three-position isolating switch operation mechanism |
-
2013
- 2013-12-31 CN CN201320893881.5U patent/CN203631397U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103715005A (en) * | 2013-12-31 | 2014-04-09 | 浙江华仪电器科技有限公司 | Limiting device for three-position switch operating mechanism |
| CN103715005B (en) * | 2013-12-31 | 2016-08-17 | 浙江华仪电器科技有限公司 | A kind of stopping means for operation mechanism with three-position switch |
| CN104752091A (en) * | 2015-03-27 | 2015-07-01 | 湖北网安科技有限公司 | Double-three-position isolating switch operation mechanism |
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